diff --git a/src/Targets/Microchip/AVR/AVR8/TargetDescription/TargetDescriptionFile.cpp b/src/Targets/Microchip/AVR/AVR8/TargetDescription/TargetDescriptionFile.cpp
index 65a569e3..4da45314 100644
--- a/src/Targets/Microchip/AVR/AVR8/TargetDescription/TargetDescriptionFile.cpp
+++ b/src/Targets/Microchip/AVR/AVR8/TargetDescription/TargetDescriptionFile.cpp
@@ -401,7 +401,7 @@ void TargetDescriptionFile::loadTargetVariants() {
         }
 
         auto targetVariant = TargetVariant();
-        targetVariant.id = static_cast<int>(variants.size());
+        targetVariant.id = static_cast<int>(this->targetVariantsById.size());
         targetVariant.name = tdVariant.name;
         targetVariant.packageName = tdVariant.package;